1 21) Which of the next best illustrates the relationship between entities and places? A) the entity customer with the evaluate crossing B) the entity CUSTOMER with the attribute PURCHASE C) the entity PRODUCT with the attribute PURCHASE D) the entity PRODUCT with the attribute CUSTOMER act: B 22) Which of the following is not one of the main problems with a traditional file environment? A) selective information inconsistency B) program- info independence C) lack of tractableness in creating ad-hoc reports D) poor bail function: B 23) A database management system reduces entropy circumlocution and inconsistency by A) enforcing referential integrity. B) uncoupling program and data. C) utilizing a data dictionary. D) minimizing isolated files with repeated data. Answer: D 24) A attribute or quality describing an entity is called a(n) A) field. B) tuple. C) key field. D) attribute. Answer: D 25) Which of the following non-digital data retentivity items is most similar to a database? A) depository library card catalog B) funds register receipt C) doctors pip invoice D) list of sales totals on a spreadsheet Answer: A 26) The confusion created by ________ makes it difficult for companies to create customer relationship management, supply chain management, or enterprise systems that collar data from disparate sources.
A) batch processing B) data prolixity C) data independence D) online processing Answer: B 27) pair data in multiple data files is called data ________. A) redundancy B) repetition C) independence D) partitions Answer: A 28) A DBMS makes! the A) somatogenetic database on hand(predicate) for divergent logical views. B) logical database available for different analytic views. C) physical database available for different analytical views. D) logical database available for different physical views. Answer: A 29) The logical view A) shows how data are create and integrated on the storage media. B) presents an entry screen to the...If you wish to pack a full essay, order it on our website: BestEssayCheap.com
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